Article ID Journal Published Year Pages File Type
841992 Nonlinear Analysis: Theory, Methods & Applications 2010 9 Pages PDF
Abstract

Let XX be a separable FF-space over the field KK of reals or complex numbers. We characterize solutions of the equation f(x+M(f(x))y)=f(x)f(y)f(x+M(f(x))y)=f(x)f(y) in the class of functions M:K→KM:K→K and Christensen measurable functions f:X→Kf:X→K.

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Physical Sciences and Engineering Engineering Engineering (General)
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